<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>demo3-10</title>
</head>
<body>
  <script src="/js/vue.js"></script>
  <div id="app">
    <button v-on:click="getRandom">生成随机整数</button>
      <div>生成的随机数是:{{count}}</div>
  </div>
<br>
  <script>
   let app = new Vue({
   el:"#app",
   data:{ 
        count:0
      },
    methods: {
        getRandom:function(){
            this.count = Math.floor(Math.random() * 10);
        }
    }
    })
  </script>
</body>
</html>